Thermally Conductive Polyimide Tape Guide – Best Uses & Properties
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What is Thermally Conductive Polyimide Tape?
Thermally conductive polyimide tape (also called Kapton tape with thermal conductivity) is a high-performance adhesive tape that combines polyimide film's extreme heat resistance with enhanced thermal transfer properties. Unlike standard polyimide tapes, it contains ceramic or graphene fillers to improve heat dissipation while maintaining electrical insulation.
Key Features:
✔ Thermal conductivity (0.8–1.0 W/mK) – Efficient heat transfer for electronics cooling
✔ Heat resistance (up to 260°C / 500°F) – Withstands reflow soldering & high-power applications
✔ Electrical insulation (>6kV breakdown voltage) – Prevents short circuits in high-voltage systems
✔ Thin & flexible (0.1–0.15mm thickness) – Fits tight spaces in PCBs & compact devices
Key Benefits vs. Traditional Thermal Solutions
1️⃣ Superior Heat Dissipation
Replaces thermal paste & mechanical fasteners – Provides direct thermal interface between heat sources and heatsinks18
Eliminates messy application – No curing time or squeeze-out like silicone pastes
2️⃣ Electrical Insulation + Thermal Transfer
Prevents short circuits while conducting heat (unlike metal shims)
UL94 V-0 flame-rated – Safe for high-power electronics
3️⃣ Lightweight & Space-Saving
Thinner than thermal pads (as low as 0.1mm) – Ideal for slim devices like smartphones & wearables
Conforms to uneven surfaces – Better contact than rigid alternatives
4️⃣ Chemical & Moisture Resistance
Resists flux, oils, and solvents – Durable in harsh environments
No outgassing – Critical for aerospace & vacuum applications
Top Applications in Industry
🔌 Electronics Cooling
✔ CPU/GPU thermal interface – Replaces thermal paste in laptops & servers
✔ LED heat sink attachment – Improves longevity of high-power LEDs
✔ Power module insulation – Used in EV inverters & motor drives
⚡ Energy & Automotive
✔ Battery thermal management – Dissipates heat in Li-ion packs
✔ IGBT module bonding – Insulates & cools high-power transistors
🚀 Aerospace & Defense
✔ Satellite component cooling – Withstands extreme thermal cycling
✔ Avionics heat spreading – Lightweight alternative to metal heat sinks
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